258270168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 460232232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 89, 104, 131, 142, 156, 178, 213, 262, 267, 284, 312, 356, 393, 426, 524, 534, 568, 712, 786, 852, 923, 1048, 1068, 1157, 1572, 1703, 1704, 1846, 2136, 2314, 2769, 3144, 3406, 3471, 3692, 4628, 5109, 5538, 6319, 6812, 6942, 7384, 9256, 9301, 10218, 11076, 11659, 12638, 13624, 13884, 18602, 18957, 20436, 22152, 23318, 25276, 27768, 27903, 34977, 37204, 37914, 40872, 46636, 50552, 55806, 69954, 74408, 75828, 82147, 93272, 111612, 120913, 139908, 151567, 151656, 164294, 223224, 241826, 246441, 279816, 303134, 328588, 362739, 454701, 483652, 492882, 606268, 657176, 725478, 827789, 909402, 967304, 985764, 1212536, 1450956, 1655578, 1818804, 1971528, 2483367, 2901912, 3311156, 3637608, 4966734, 6622312, 9933468, 10761257, 19866936, 21522514, 32283771, 43045028, 64567542, 86090056, 129135084, 258270168]

約数ペア:

[(1, 258270168), (2, 129135084), (3, 86090056), (4, 64567542), (6, 43045028), (8, 32283771), (12, 21522514), (13, 19866936), (24, 10761257), (26, 9933468), (39, 6622312), (52, 4966734), (71, 3637608), (78, 3311156), (89, 2901912), (104, 2483367), (131, 1971528), (142, 1818804), (156, 1655578), (178, 1450956), (213, 1212536), (262, 985764), (267, 967304), (284, 909402), (312, 827789), (356, 725478), (393, 657176), (426, 606268), (524, 492882), (534, 483652), (568, 454701), (712, 362739), (786, 328588), (852, 303134), (923, 279816), (1048, 246441), (1068, 241826), (1157, 223224), (1572, 164294), (1703, 151656), (1704, 151567), (1846, 139908), (2136, 120913), (2314, 111612), (2769, 93272), (3144, 82147), (3406, 75828), (3471, 74408), (3692, 69954), (4628, 55806), (5109, 50552), (5538, 46636), (6319, 40872), (6812, 37914), (6942, 37204), (7384, 34977), (9256, 27903), (9301, 27768), (10218, 25276), (11076, 23318), (11659, 22152), (12638, 20436), (13624, 18957), (13884, 18602)]